POST
/
v2
/
threads
/
{threadId}
/
messages
/
{messageId}
cURL
curl --request POST \
  --url https://api.langtail.com/v2/threads/{threadId}/messages/{messageId} \
  --header 'Content-Type: application/json' \
  --header 'X-API-Key: <x-api-key>' \
  --data '{
  "metadata": {
    "my_key": "my key value"
  }
}'
{
  "id": "<string>",
  "createdAt": "2023-11-07T05:31:56Z",
  "deletedAt": "2023-11-07T05:31:56Z",
  "threadId": "<string>",
  "content": [
    {
      "role": "user",
      "content": "Hello"
    }
  ],
  "metadata": {
    "my_key": "my key value"
  },
  "requestLogId": "<string>"
}
This endpoint allows you to update the metadata of a specific message within a thread. It’s useful for adding or modifying additional information associated with a message without changing its core content.

Headers

​
X-API-Key
string
required

Your Langtail API Key

Example:

"<LANGTAIL_API_KEY>"

Path Parameters

​
threadId
string
required

The ID of the thread containing the message.

​
messageId
string
required

The ID of the message to update.

Body

application/json

Response

200
application/json

Successful response

The response is of type object.